/* 清除内外边距 */
body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
fieldset,
lengend,
button,
input,
textarea,
th,
td {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html,
body,
#app {
	min-width: 1400px;
	box-sizing: border-box;
	height: 100%;
}